Third column (m=2) of triangle A130182.

A130185

Third column (m=2) of triangle A130182.

Terms

    a(0) =1a(1) =4a(2) =28a(3) =216a(4) =-2592a(5) =-449280a(6) =-42405120a(7) =-4187635200a(8) =-470931148800

External references